<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
        <div style="backgroud-color: red;">Hello</div>
        <span style="backgroud-color: green;">Hello</span>
        &lt;a&nbsp;b&gt;
        <p>Hello, World !</p>
        <p>Hello,<br /> World !</p>
        <h1>Hello</h1>
        <h2>Hello</h2>
        <h3>Hello</h3>
        <h4>Hello</h4>
        <h5>Hello</h5>
        <h6>Hello</h6>
        <a href="http://www.baidu.com">跳转1</a>
        <a href="http://www.baidu.com" target="_blank">跳转1</a>

        <a href="#1">第一节</a>
        <a href="#2">第二节</a>
        <a href="#3">第三节</a>

        <div id="1" style="height: 768px">第一节</div>
        <div id="2" style="height: 768px">第二节</div>
        <div id="3" style="height: 768px">第三节</div>
    </body>
</html>